GB2497343B - Processing audio signals - Google Patents

Processing audio signals

Info

Publication number
GB2497343B
GB2497343B GB201121147A GB201121147A GB2497343B GB 2497343 B GB2497343 B GB 2497343B GB 201121147 A GB201121147 A GB 201121147A GB 201121147 A GB201121147 A GB 201121147A GB 2497343 B GB2497343 B GB 2497343B
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
audio signals
processing audio
processing
signals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB201121147A
Other versions
GB201121147D0 (en )
GB2497343A (en )
Inventor
Karsten Vandborg Sorensen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Skype Ltd Ireland
Original Assignee
Skype Ltd Ireland
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Grant date

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/12Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18Methods or devices for transmitting, conducting, or directing sound
    • G10K11/26Sound-focusing or directing, e.g. scanning
    • G10K11/34Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18Methods or devices for transmitting, conducting, or directing sound
    • G10K11/26Sound-focusing or directing, e.g. scanning
    • G10K11/34Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341Circuits therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Interconnection arrangements not involving centralised switching
    • H04M9/08Two-way loud-speaking telephone systems with means for suppressing echoes or otherwise conditioning for one or other direction of traffic
    • H04M9/082Two-way loud-speaking telephone systems with means for suppressing echoes or otherwise conditioning for one or other direction of traffic using echo cancellers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/02Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
GB201121147A 2011-12-08 2011-12-08 Processing audio signals Active GB2497343B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB201121147A GB2497343B (en) 2011-12-08 2011-12-08 Processing audio signals

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB201121147A GB2497343B (en) 2011-12-08 2011-12-08 Processing audio signals
US13341610 US9042575B2 (en) 2011-12-08 2011-12-30 Processing audio signals
CN 201210521742 CN102984323A (en) 2011-12-08 2012-12-07 Process audio frequency signal
EP20120814042 EP2772070A1 (en) 2011-12-08 2012-12-08 Processing audio signals
PCT/US2012/068649 WO2013086476A1 (en) 2011-12-08 2012-12-08 Processing audio signals

Publications (3)

Publication Number Publication Date
GB201121147D0 true GB201121147D0 (en) 2012-01-18
GB2497343A true GB2497343A (en) 2013-06-12
GB2497343B true GB2497343B (en) 2014-11-26

Family

ID=45541437

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201121147A Active GB2497343B (en) 2011-12-08 2011-12-08 Processing audio signals

Country Status (4)

Country Link
US (1) US9042575B2 (en)
EP (1) EP2772070A1 (en)
GB (1) GB2497343B (en)
WO (1) WO2013086476A1 (en)

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GB2493327B (en) 2011-07-05 2018-06-06 Skype Processing audio signals
GB2495129B (en) 2011-09-30 2017-07-19 Skype Processing signals
GB2495128B (en) 2011-09-30 2018-04-04 Skype Processing signals
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GB2495130B (en) 2011-09-30 2018-10-24 Skype Processing audio signals
GB2495278A (en) 2011-09-30 2013-04-10 Skype Processing received signals from a range of receiving angles to reduce interference
GB2495472A (en) 2011-09-30 2013-04-17 Skype Device including an acoustic beamformer and means processing received audio signals for echo suppression
GB2496660B (en) 2011-11-18 2014-06-04 Skype Processing audio signals
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Also Published As

Publication number Publication date Type
US20130148821A1 (en) 2013-06-13 application
GB201121147D0 (en) 2012-01-18 application
US9042575B2 (en) 2015-05-26 grant
WO2013086476A1 (en) 2013-06-13 application
EP2772070A1 (en) 2014-09-03 application
GB2497343A (en) 2013-06-12 application

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